Suppose that during any period of second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum reinforcement occurs. How many beats will occur in 1 second? A. 4 B. 2 C. 8 D. 12

Suppose that during any period of ¼ second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum reinforcement occurs. [ 4 beats will occur in 1 second.
]

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Asked 7/14/2019 12:07:58 AM

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What's true about the elliptical path that the planets follow around the sun?
A. A line can be drawn from the planet to the sun that follows the same curve as the ellipse.
B. A vector can be drawn from the center of one planet to the center of an adjacent planet.
C. A line can be drawn from the planet to the sun that sweeps out equal areas in equal times.
D. A scalar can be measured from the angle that the planet travels relative to the sun's orbit.

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Updated 4/19/2020 11:54:08 AM

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A line can be drawn from the planet to the Sun that sweeps out equal areas in equal times is true about the elliptical path that the planets follow around the sun.

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Newton's Third Law of Motion relates to action and reaction. Which of the following scenarios accurately names the correct action and reaction pair to apply to Newton's Third Law?

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Updated 4/27/2020 7:17:47 AM

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Newton's Third law of motion relates to action and reaction. [ An ax being used to hit wood (action) and the wood splitting after being hit by the ax (reaction) is the scenarios accurately names the correct ation and reaction pair to apply Newton's Third Law. ]

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A force of 350 N causes a body to move with an acceleration of 10 m/s2. What's the mass of the body? **Weegy:** F = ma
350 = m (10)
m = 35 kg
Thus, the mass of the body is 35 kg.
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Updated 294 days ago|7/5/2023 1:44:03 PM

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An object has a mass of 13.5 kilograms. What force is required to accelerate it to a rate of 9.5 m/s2? **Weegy:**
128.25 N force is required to accelerate it to a rate of 9.5 m/s2.
force = ma
= 13.5 kg * 9.5 m/s2
= 128.25 N
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Asked 7/10/2019 2:08:38 PM

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A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the machine? **Weegy:** A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. The efficiency of the machine is 94%.
Efficiency = Output/Input
3760/4000 = 0.94 or 94% in percentage (0.94 x 100 = 94%) (More)

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Updated 10/16/2022 1:17:00 PM

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